Its not clear about your queries what is your cough
period and diagnosis of your problem. how long your are suffering and management you are taking.Cough is not disease solely it is symptoms also of other disease.
Ayurvedic medicine are also very succeful for better therapeutic results and complete treatment from root cause. Cough may be allergic and pathogicals.
Some of herbal ayurvedic preparation in market for Cough are
I hope these medicines may help you resolving cough from root and better result then Chemical cough treatment.
You may contact your nearest Ayurvedic physicians or contact me in my email
Get well soon